Alexandrium catenella
Dinophyta» Dinozoa» Dinophyceae» Gonyaulacales» Goniodomataceae» Alexandrium catenella
It is an armoured, marine, planktonic dinoflagellate typically occurring in characteristic short chains of 2, 4 or 8 cells, swimming together in a snake-like fashion. Single cells are almost round, 20-48 µm in length and 18-32 µm in width....
Balanus improvisus
Crustacea» Arthropoda» Maxillopoda» Sessilia» Balanidae» Balanus improvisus
This sessile crustacean has a white and conical shell (up to 17 mm in diameter and 10 mm in height) with a diamond-shaped slightly toothed opening. It occurs in marine and brackish environments and filter feeds on detritus and phytoplankton....
Bonnemaisonia hamifera
Rhodophyta» Rhodophyta» Rhodophyceae» Bonnemaisoniales» Bonnemaisoniaceae» Bonnemaisonia hamifera
This red macroalgae occurs in marine waters....
Brachidontes pharaonis
Mollusca» Mollusca» Bivalvia» Mytiloida» Mytilidae» Brachidontes pharaonis
A small gregarious intertidal bivalve with a 40 mm shell, externally dark brown-black and internally tinged violet-black. Equivalve, inequilateral, attached to substrate by stout byssus. Outline mussel-like with terminal umbones but variable in shape...
Caulerpa racemosa
Chlorophyta» Chlorophyta» Bryopsidophyceae» Bryopsidales» Caulerpaceae» Caulerpa racemosa
A green macroalgae with slender thallus, lacking large rhizoidal pillars, basal part of the upright axes slightly inflated immediately above the attachment to the stolon, clavate branchlets, uncrowded and radially to distichously disposed. ...
Caulerpa taxifolia
Chlorophyta» Chlorophyta» Bryopsidophyceae» Bryopsidales» Caulerpaceae» Caulerpa taxifolia
A green macroalga with upright leaf-like fronds arising from creeping stolons. The fronds are compressed laterally and the small side branchlets are constricted at the base (where they attach to the midrib of each frond), are opposite in their attach...
Chattonella cf.
Other algae» Heterokontophyta» Raphidophyceae» Raphidomonadales» Vacuolariaceae» Chattonella cf.
This small phytoplankton alga is found in brackish and marine waters. There is a controversial discussion on the species determination and its correct taxonomic group. Some experts believe that this species should belong to the group dictyophyte. Fur...
Codium fragile
Chlorophyta» Chlorophyta» Bryopsidophyceae» Bryopsidales» Codiaceae» Codium fragile
A large marine green algae that may attain 1 m in length. The cylindrical branches of the algae branch dichotomously, anchored to the substrate in a spongy basal holdfast....
Coscinodiscus wailesii
Other algae» Heterokontophyta» Coscinodiscophyceae» Coscinodiscales» Coscinodiscaceae» Coscinodiscus wailesii
This very large centric diatom, typically 175-500 µm in diameter, is a primary producer in brackish and marine waters.
...
Crassostrea gigas
Mollusca» Mollusca» Bivalvia» Ostreoida» Ostreidae» Crassostrea gigas
The Pacific oyster is a filter-feeder consuming phytoplankton and detritus in coastal brackish and marine waters. The two elongated valves are variable in shape and size with wild settling individuals cemented by one valve to a firm substrate. The le...
Crepidula fornicata
Mollusca» Mollusca» Gastropoda» Neotaenioglossa» Calyptraeidae» Crepidula fornicata
The slipper limpet is a snail with an asymmetrical shell with an inner shelf. It can attain 5cm. It is a filter feeder occurring within sheltered coastal bays and estuaries and sometimes in deeper water. It attaches firmly to objects with its muscul...
Ensis americanus
Mollusca» Mollusca» Bivalvia» Veneroida» Pharidae» Ensis americanus
The red-brown bivalves (up to 16-17 cm in length) occur in muddy or fine sand, marine and brackish waters. It prefers the lower zone of the intertidal areas, where they burrow into the sediment and filter-feed on algae....
Ficopomatus enigmaticus
Annelida» Annelida» Polychaeta» Canalipalpata» Serpulidae» Ficopomatus enigmaticus
This is a small worm that forms concretions with their calcareous interlacing tubes. They are seston feeders in brackish to hypersaline sheltered environments, usually estuaries and lagoons....
Fistularia commersonii
Osteichthyes» Chordata» Actinopterygii» Syngnathiformes» Fistularidae» Fistularia commersonii
A marine, mainly piscivorous fish with a grey to olive-green body, commonly 20-100 cm long (max. 150 cm). The body is extremely elongated, the head is more than 1/3 of SL, snout tubular, ending in small mouth. Dorsal and anal fins are posterior in po...
Halophila stipulacea
Magnoliophyta» Magnoliophyta» Liliopsida» Alismatales» Hydrocharitaceae» Halophila stipulacea
A euryhaline marine angiosperm (seagrass). Plants are dioecious with male and female flowers produced at each leaf node. Rhizomes are creeping, branched and fleshy, and roots appear solitary at each node of the rhizome, unbranched and thick with dens...
Marenzelleria neglecta
Annelida» Annelida» Polychaeta» Spionida» Spionidae» Marenzelleria neglecta
The red-gilled mud worms (up to 157 mm in length) occur in marine and brackish waters. They inhabit vertical mucus lined burrows (up to 40 cm in depth), feeding on sediment particles, meiobenthic and planktonic organisms.
...
Marsupenaeus japonicus
Crustacea» Arthropoda» Malacostraca» Decapoda» Penaeidae» Marsupenaeus japonicus
A nocturnal prawn (TL males: 17 cm, females: 27 cm) adults buried in substrate during daytime. The body is pale bearing uninterrupted brown transverse bands; walking legs and pleopods are pale yellow proximally and blue distally; uropods are distally...
Musculista senhousia
Mollusca» Mollusca» Bivalvia» Mytiloida» Mytilidae» Musculista senhousia
A small (10-25 x 12 mm) intertidal bivalve with thin shell, equivalve, oval, elongate with sculpture of radiating lines posteriorly. Outline modioliform; umbones subterminal; ligament and dorsal margins not continuous, slightly angled; anterior end r...
Odontella sinensis
Other algae» Heterokontophyta» Coscinodiscophyceae» Triceratiales» Triceratiaceae» Odontella sinensis
This phytoplankton species is known to form mass developments (plankton blooms)....
Paralithodes camtschaticus
Crustacea» Arthropoda» Malacostraca» Decapoda» Lithodidae» Paralithodes camtschaticus
This very large crab is an omnivorous predator and grows up to > 220 mm carapace and a span from leg to leg up to 1.4 m. A weight of >10 kg may be reached....
Percnon gibbesi
Crustacea» Arthropoda» Malacostraca» Decapoda» Plagusiidae» Percnon gibbesi
An agile, aposomatic mimetic crab. The carapace is 3 cm in diameter and brownish, it has golden yellow rings on joints of walking legs. Carapace disc-like, with tridentate front and antero-lateral margins with four acute teeth. All walking legs have ...
Pinctada radiata
Mollusca» Mollusca» Bivalvia» Pterioida» Pteriidae» Pinctada radiata
A large bivalve, length commonly 50-65 mm, up to 106 mm. The shell is compressed, inequivalve with the outline almost quadrate. The shell is brownish with shades of red, inner surface pearly. The dorsal margin is longer than the body of shell and the...
Portunus pelagicus
Crustacea» Arthropoda» Malacostraca» Decapoda» Portunidae» Portunus pelagicus
A medium-sized marine nocturnal crab (CL males: 7 cm, females: 6.5 cm), carapace greenish-brown with irregular pale mottling edged dark brown, chelipeds are purplish, mottled and fingers blue. Carapace broad, with transverse granulate lines. The fron...
Rapana venosa
Mollusca» Mollusca» Gastropoda» Sorbeoconcha» Muricidae» Rapana venosa
A large marine and brackish water Asian gastropod with voracious predatory behaviour. Shell lengths of individuals caught in the Adriatic Sea ranged from 67.0 mm to 136.7 mm and the total weight (shell+body wet weight) from 46.0 g to 553.9 g....
Rhopilema nomadica
Cnidaria» Cnidaria» Scyphozoa» Rhizostomeae» Rhizostomatidae» Rhopilema nomadica
A neritic epipelagic, swarming jellyfish, planktotroph. The bell is up to 90 cm in diameter, commonly 40-60 cm. The body is light blue, bell rounded, with blunt tuberculation of the exumbrella. The mouth arms end in vermicular filaments. ...
Saurida undosquamis
Osteichthyes» Chordata» Actinopterygii» Aulopiformes» Synodontidae» Saurida undosquamis
A marine, mainly piscivorous fish, commonly 15 - 35 cm long (max. 40 cm). The body is brown-beige on the back with a silvery white belly, and a series of 7-10 dark spots along the lateral line. The body is slender and cylindrical; the head is slightl...
Siganus rivulatus
Osteichthyes» Chordata» Actinopterygii» Perciformes» Siganidae» Siganus rivulatus
A demersal, gregarious, herbivorous fish commonly 5-25 cm long (max. 27 cm). The oval body, laterally compressed, has a grey-green to brown back, a light-brown to yellow abdomen and fine yellow lines on each side. It has a small first dorsal spine di...
Spartina anglica
Magnoliophyta» Magnoliophyta» Liliopsida» Poales» Poaceae» Spartina anglica
A coarse-leaved grass of ~1m in height. It colonizes the upper tidal level of estuaries and lagoons. They form tussocks which over time grow and knit into each other to form meadows....
Styela clava
Tunicata» Chordata» Ascidiacea» Stolidobranchia» Styelidae» Styela clava
This Asian sea-squirt has a club-shaped body and a narrow base attaching by means of a membranous plate. The outer surface (test) is leathery and often wrinkled. Surfaces are often fouled. It is a filter-feeder occurring mainly in sheltered estuaries...
Teredo navalis
Mollusca» Mollusca» Bivalvia» Myoida» Teredinidae» Teredo navalis
This mollusc has a wormlike, elongated body and two small shells at the anterior body end acting as wood-boring organ. Larvae are planktotrophic and adults are herbivorous suspension feeders. Individuals are found completely embedded in wood, which i...
Tricellaria inopinata
Ectoprocta» Bryozoa» Gymnolaemata» Cheilostomata» Scrupocellariidae» Tricellaria inopinata
A robust opportunistic bryozoan, capable of enduring a wide spectrum of temperatures and salinities, as well as high organic content. Settles on a wide range of anthropogenic and natural substrata....
Undaria pinnatifida
Other algae» Heterokontophyta» Phaeophyceae» Laminariales» Alariaceae» Undaria pinnatifida
This marine brown alga grows on hard substrates and reaches up to 3 m in length (sporophyte stage). ...